Max Shutter speed
Pentax K-1 II can shoot continuously at max speed of 4.4 fps
and has max shutter speed of 1/8000 sec
Unfortunately K-1 Mark II doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Pentax K-1 II features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 33 focus points and 25 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors. Pentax K-1 II also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
Pentax K-1 II has a creative Astro Tracer mode where the camera utilizes its GPS and sensor shift mechanism to track the motion of the stars and creates a long exposure image without visible star trails. This makes K-1 Mark II one of the best equipped camera for Astrophotography.